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  1. 21st October 2007, 01:56 PM #1
    srohara
    srohara is offline Novice
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    Sep 2007
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    Default Joist Size ?????

    Hi

    I was wanting know what size joist i have to use to span 700-800mm. I was wanting to use treated pine. can i get away with using 90x45mm H3.

    Cheers
  2. 21st October 2007, 02:09 PM #2
    zathras's Avatar
    zathras
    zathras is offline Country Member
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    Default

    No Probs.

    F7 TP is typically spec'd for up to 1200mm span as a joist
    Ray
  3. 21st October 2007, 02:41 PM #3
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    UteMad
    UteMad is offline Senior Member
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    Hope this helps

    Latest span table for F5 H3 treated pine used in single span for decking says
    90 x 45 is good for 1100mm Single span
    90 x 45 is good for 1300 continuos span ( over 3 or more supports)


    cheers utemad
    www.dialadeck.com.au
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